Reinforcement of Cement-Based Materials With Cellulose Fibers

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Title: Reinforcement of Cement-Based Materials With Cellulose Fibers

Author(s): P. Soroushian and S. Marikunte

Publication: Special Publication

Volume: 124

Issue:

Appears on pages(s): 99-124

Keywords: cellulose fibers; cements; composite materials; strength; flexural strength; impact strength; pulps; reinforcing materials; Materials Research

Date: 9/1/1990

Abstract:
A brief review of the literature on cellulose fiber reinforced cement is presented, followed by the results of an experimental study concerned with the effects of mechanical and chemical pulps on the performance characteristics of neat cement paste in the fresh and hardened states. The mix proportions and manufacturing techniques used in this study for the production of cellulose-cement composites are reviewed. The air content, setting time, and drop in workability with time are compared for plain cementitious materials and those reinforced with 1 and 2 percent mass fractions of mechanical and chemical pulps. The flexural and compressive strength and toughness characteristics, impact resistance, specific gravity, and water absorption capacity of plain and fibrous materials are also compared. Effects of moisture content on the flexural performance of plain cementitious materials and those reinforced with mechanical pulp are discussed.